Home / 25,357.28-38,010.32-10,574.40

Finding the Fourth Proportional to 25,357.28, 38,010.32 and 10,574.40

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Solution

The fourth proportional to 25,357.28, 38,010.32 and 10,574.40 is: 15,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.28 : 38,010.32 = 10,574.40 : x
  2. Step 2: Convert to fraction form
    25,357.28/38,010.32 = 10,574.40/x
  3. Step 3: Cross multiply
    25,357.28x = 38,010.32 × 10,574.40
  4. Step 4: Simplify right side
    25,357.28x = 401,936,327.81
  5. Step 5: Solve for x
    x = 401,936,327.81/25,357.28
  6. Step 6: Final answer
    x = 15,850.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.